What is the photoperiod?

I wrote: The photoperiod is the length of day.

Please tell me if this is correct, thanks

4 answers

Photoperiod: a plants response to lenghths of daylight and darkness each dayy
thanks, but I think that photoperiod has two meanings. I don't think it's this one I'm looking for.
YOu have it correct, Sara. Actually, it is the length of the daylight a plant is exposed to.
oh, thank you bobpursley :-)